The paper summarizes the morphological characters and the phylogenetic systematics of crape myrtle and compares its ornamental qualities between ancient and modern species.

• 概述和分析了了紫薇的形态特征,紫薇的系统分类,古代品种与现代品种观赏特性的比较,品种设计应用,群体组合效果与单独的造景效果。